Adult Derivatives and Vestigial Remains of Embryonic Urogenital Structures

Embryonic Structure	Male	Female
Gonadal Ridge	Testis	Ovary
Cortex	Seminiferous tubules	Ovarian follicles
Medulla	Rete testis	Medulla Rete ovarii
Gubernaculum	Gubernaculum testis	Ovarian ligament Round ligament of uterus
Mesonephric tubules	Ductus efferentes Paradidymis	Epoophoron Paroophoron
Mesonephric duct	Appendix of epididymis Ductus epididymidis Ductus deferens Ureter, pelvis, calices, and collecting tubules Ejaculatory duct and seminal vesicle	Appendix vesiculosa Duct of epoophoron Duct of Gartner Ureter, pelvis, calices, and collecting tubules
Paramesonephric duct (Mullerian duct)	Appendix of testis	Hydatid (of Morgagni) Uterine tube Uterus Upper Vagina
Urogenital sinus	Urinary bladder Urethra (except glandular portion) Prostatic utricle Prostate gland Bulbourethral glands	Urinary bladder Urethra Lower Vagina (from sinovaginal bulb) Urethral and paraurethral glands Greater vestibular glands Vestibule of vagina
Müllerian tubercle	Seminal colliculus	Hymen
Genital tubercle	Penis Glans penis Corpora cavernosa penis Corpus spongiosum	Clitoris Glans clitoridis Corpora cavernosa clitoridis Bulb of the vestibule
Urogenital folds	Ventral aspect of penis	Labia minora
Labioscrotal swellings	Scrotum	Labia majora